1. Comparative Medicine The Interuniversity Messerli Research Institute of the University of Veterinary Medicine Vienna Medical University of Vienna and University of Vienna Vienna Austria
2. Clinica Veterinaria Privata San Marco Padova Italy
3. Dermatology Referral Services LTD Glasgow Scotland UK
4. Faculty of Science Charles University Prague Czech Republic
5. Centre for Clinical Veterinary Medicine Ludwig Maximilian University Munich Munich Germany
6. Institute of Pathophysiology and Allergy Research Center of Pathophysiology Infectiology and Immunology Medical University of Vienna Vienna Austria
7. Allergy Care Allergy Diagnosis and Study Center Vienna Austria